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Answers for “如何写出将 y=f(x) 向左平移 4 个单位、向下平移 3 个单位的方程?”

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A parent function is the simplest representative form of a family of functions. In this clip, the quadratic parent function is illustrated by y=f(x)=x2y=f(x)=x^2, whose basic graph is a parabola.

Conditions: Used as the starting function before transformations are applied.; The example shown is quadratic, but the spoken definition is general.

Meet the concept

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The clip introduces transformations as operations applied to a parent function’s graph. The named categories are translations (shifts left, right, up, down), reflections (across the x- or y-axis), and vertical stretches or compressions.

Conditions: These are presented as general ways to modify the graph of a parent function.; Only horizontal and vertical translations and reflections are actually solved within this clip.